KR20050115894A - 쉘로우 트렌치 분리법 - Google Patents
쉘로우 트렌치 분리법 Download PDFInfo
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- KR20050115894A KR20050115894A KR1020057016595A KR20057016595A KR20050115894A KR 20050115894 A KR20050115894 A KR 20050115894A KR 1020057016595 A KR1020057016595 A KR 1020057016595A KR 20057016595 A KR20057016595 A KR 20057016595A KR 20050115894 A KR20050115894 A KR 20050115894A
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/76—Making of isolation regions between components
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66568—Lateral single gate silicon transistors
- H01L29/66613—Lateral single gate silicon transistors with a gate recessing step, e.g. using local oxidation
- H01L29/66628—Lateral single gate silicon transistors with a gate recessing step, e.g. using local oxidation recessing the gate by forming single crystalline semiconductor material at the source or drain location
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/76—Making of isolation regions between components
- H01L21/762—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/76—Making of isolation regions between components
- H01L21/762—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
- H01L21/76224—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using trench refilling with dielectric materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
- H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
- H01L21/822—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being a semiconductor, using silicon technology
- H01L21/8232—Field-effect technology
- H01L21/8234—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type
- H01L21/823412—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type with a particular manufacturing method of the channel structures, e.g. channel implants, halo or pocket implants, or channel materials
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
- H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
- H01L21/822—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being a semiconductor, using silicon technology
- H01L21/8232—Field-effect technology
- H01L21/8234—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type
- H01L21/8238—Complementary field-effect transistors, e.g. CMOS
- H01L21/823807—Complementary field-effect transistors, e.g. CMOS with a particular manufacturing method of the channel structures, e.g. channel implants, halo or pocket implants, or channel materials
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
- H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
- H01L21/822—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being a semiconductor, using silicon technology
- H01L21/8232—Field-effect technology
- H01L21/8234—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type
- H01L21/8238—Complementary field-effect transistors, e.g. CMOS
- H01L21/823878—Complementary field-effect transistors, e.g. CMOS isolation region manufacturing related aspects, e.g. to avoid interaction of isolation region with adjacent structure
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/06—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions
- H01L29/10—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions with semiconductor regions connected to an electrode not carrying current to be rectified, amplified or switched and such electrode being part of a semiconductor device which comprises three or more electrodes
- H01L29/1025—Channel region of field-effect devices
- H01L29/1029—Channel region of field-effect devices of field-effect transistors
- H01L29/1033—Channel region of field-effect devices of field-effect transistors with insulated gate, e.g. characterised by the length, the width, the geometric contour or the doping structure
- H01L29/1054—Channel region of field-effect devices of field-effect transistors with insulated gate, e.g. characterised by the length, the width, the geometric contour or the doping structure with a variation of the composition, e.g. channel with strained layer for increasing the mobility
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- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
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- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66568—Lateral single gate silicon transistors
- H01L29/66575—Lateral single gate silicon transistors where the source and drain or source and drain extensions are self-aligned to the sides of the gate
- H01L29/6659—Lateral single gate silicon transistors where the source and drain or source and drain extensions are self-aligned to the sides of the gate with both lightly doped source and drain extensions and source and drain self-aligned to the sides of the gate, e.g. lightly doped drain [LDD] MOSFET, double diffused drain [DDD] MOSFET
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- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66568—Lateral single gate silicon transistors
- H01L29/66636—Lateral single gate silicon transistors with source or drain recessed by etching or first recessed by etching and then refilled
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- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/7842—Field effect transistors with field effect produced by an insulated gate means for exerting mechanical stress on the crystal lattice of the channel region, e.g. using a flexible substrate
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- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/785—Field effect transistors with field effect produced by an insulated gate having a channel with a horizontal current flow in a vertical sidewall of a semiconductor body, e.g. FinFET, MuGFET
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Abstract
Description
Claims (40)
- 기판;상기 기판의 제 1 부분에 배치된 제 1 소스 지역 및 제 1 드레인 지역,제 1 형태의 변형을 갖는 제 1 소스 지역과 제 1 드레인 지역 사이에 배치된 제 1 채널 지역, 및도핑된 반도체, 금속, 및 금속성 화합물로 이루어진 그룹으로부터 선택되는 재료를 포함하는 제 1 채널 지역 위 및 제 1 소스 및 제 1 드레인 지역 사이에 배치된 제 1 게이트를 포함하는 기판의 제 1 지역 위에 배치된 제 1 트랜지스터; 및제 1 채널 지역에 약간의 제 1 형태의 변형만을 유도하며, 제 1 소스 지역과 제 1 드레인 지역의 적어도 하나의 면에 인접한 제 1 트렌치 구조를 포함하는 구조.
- 제 1 항에 있어서,기판 위에 배치된 변형층을 더 포함하는 구조.
- 제 2 항에 있어서,변형층이 적어도 하나의 규소 및 게르마늄을 포함하는 구조.
- 제 2 항에 있어서,제 1 채널 지역의 적어도 일부분은 변형층에 배치되는 구조.
- 제 2 항에 있어서,기판 위에 배치된 유전층을 더 포함하고, 변형층은 유전층 위에 접촉되어 배치되는 구조.
- 제 1 항에 있어서,제 1 형태의 변형은 인장력인 구조.
- 제 1 항에 있어서,제 1 형태의 변형은 압축력인 구조.
- 제 1 항에 있어서,기판은 적어도 하나의 규소 및 게르마늄을 포함하는 구조.
- 제 1 항에 있어서,기판은 규소 이외의 적어도 하나의 원소를 포함하는 구조.
- 제 9 항에 있어서,다른 원소는 게르마늄인 구조.
- 제 1 항에 있어서,제 1 트랜지스터의 표면 위에 배치된 제 1 캡층을 더 포함하고, 제 1 채널 지역에서의 변형은 제 1 캡층에 의해 유도되는 구조.
- 제 11 항에 있어서,제 1 캡층은 질화규소를 포함하는 구조.
- 제 1 항에 있어서,제 1 채널 지역에서의 변형은 적어도 하나의 제 1 소스 지역과 제 1 드레인 지역에 의해 유도되는 구조.
- 제 13 항에 있어서,적어도 하나의 제 1 소스 지역과 제 1 드레인 지역은 적어도 하나의 제 1 채널 지역과 적어도 하나의 제 1 소스 지역과 제 1 드레인 지역에 인접한 영역에 배치된 반도체 재료의 격자 상수보다 더 큰 격자 상수를 가진 제 2 재료를 포함하는 구조.
- 제 14 항에 있어서,제 2 재료는 SiGe 및 Ge로 이루어진 그룹으로부터 선택된 재료를 포함하는 구조.
- 제 13 항에 있어서,적어도 하나의 제 1 소스 지역과 제 1 드레인 지역은 적어도 하나의 제 1 채널 지역과 적어도 하나의 제 1 소스 지역과 제 1 드레인 지역에 인접한 영역에 배치된 반도체 재료의 격자 상수보다 더 작은 격자 상수를 가진 제 2 재료를 포함하는 구조.
- 제 16 항에 있어서,제 2 재료는 SiGe, Si 및 SiC로 이루어진 그룹으로부터 선택되는 재료를 포함하는 구조.
- 제 1 항에 있어서,제 1 채널 지역에서의 변형은 제 1 게이트에 의해 유도되는 구조.
- 제 18 항에 있어서,제 1 게이트는 금속 실리사이드, 금속 게르마노실리사이드 및 금속 게르마노사이드의 그룹으로부터 선택된 재료를 포함하는 구조.
- 제 1 항에 있어서,기판의 제 2 부분에 배치된 제 2 소스 지역과 제 2 드레인 지역,제 2 형태의 변형을 가진 제 2 소스 지역과 제 2 드레인 지역 사이에 배치된 제 2 채널 지역, 및도핑된 반도체, 금속, 및 금속성 화합물로 이루어진 그룹으로부터 선택되는 재료를 포함하는 제 2 채널 지역 위 및 제 2 소스 및 제 2 드레인 지역 사이에 배치된 제 2 게이트를 포함하는 기판의 제 2 지역 위에 배치된 제 2 트랜지스터; 및제 2 채널 지역에 약간의 제 2 형태의 변형만을 유도하며, 적어도 하나의 제 2 소스 지역과 제 2 드레인 지역에 인접한 제 2 트렌치 구조를 더 포함하는 구조.
- 제 20 항에 있어서,제 1 및 제 2 형태의 변형은 다른 구조.
- 제 1 항에 있어서,제 1 트렌치 구조에 의해 유도된 약간의 변형은 대략 0인 구조.
- 제 22 항에 있어서,제 1 변형-유도 요소; 및제 1 에피택실 변형층을 더 포함하고, 제 1 채널 지역은 제 1 에피택실 변형층의 일부 내에 배치되고 제 1 변형-유도 요소는 제 1 채널 지역에서의 약간의 변형만을 유도하는 구조.
- 제 23 항에 있어서,제 1 변형-유도 요소는 제 1 트랜지스터의 표면 위에 배치된 제 1 캡층을 포함하는 구조.
- 제 23 항에 있어서,제 1 변형-유도 요소는 제 1 게이트를 포함하는 구조.
- 제 23 항에 있어서,제 1 변형-유도 요소는 적어도 하나의 제 1 소스 지역과 제 1 드레인 지역을 포함하는 구조.
- 기판을 제공하는 단계;기판의 제 1 부분에 제 1 소스 지역과 제 1 드레인 지역을 한정하는 단계,제 1 형태의 변형을 가진 제 1 소스 지역과 제 1 드레인 지역 사이에 제 1 채널 지역을 한정하는 단계, 및도핑된 반도체, 금속, 및 금속성 화합물로 이루어진 그룹으로부터 선택되는 재료를 포함하는 제 1 채널 지역 위 및 제 1 소스 및 제 1 드레인 지역 사이에 배치된 제 1 게이트를 형성하는 단계에 의해 기판의 제 1 지역 위에 제 1 트랜지스터를 형성하는 단계; 및제 1 채널 지역에서 약간의 제 1 형태의 변형만을 유도하도록 조절되며,적어도 하나의 제 1 소스 지역과 제 1 드레인 지역에 인접한 트렌치 구조를 형성하는 단계를 포함하는 반도체 구조의 형성 방법.
- 제 27 항에 있어서,기판의 제 2 부분에 제 2 소스 지역과 제 2 드레인 지역을 한정하는 단계,제 2 형태의 변형을 가진 제 2 소스 지역과 제 2 드레인 지역 사이에 제 2 채널 지역을 한정하는 단계, 및도핑된 반도체, 금속, 및 금속성 화합물로 이루어진 그룹으로부터 선택되는 재료를 포함하는 제 2 채널 지역 위 및 제 2 소스 및 제 2 드레인 지역 사이에 배치된 제 2 게이트를 형성하는 단계에 의해 기판의 제 2 지역 위에 제 2 트랜지스터를 형성하는 단계; 및제 2 채널 지역에서 약간의 제 2 형태의 변형만을 유도하도록 조절되며, 적어도 하나의 제 2 소스 지역과 제 2 드레인 지역에 인접한 트렌치 구조를 형성하는 단계를 더 포함하는 방법.
- 제 28 항에 있어서,제 1 및 제 2 형태의 변형은 다른 방법.
- 제 27 항에 있어서,제 1 트랜지스터의 표면 위에 제 1 캡층을 형성하는 단계를 더 포함하고, 캡층은 제 1 채널 지역에서 제 1 형태의 변형을 유도하도록 조절되는 방법.
- 제 27 항에 있어서,제 1 채널 지역에서의 적어도 약간의 변형은 적어도 하나의 제 1 소스 지역과 제 1 드레인 지역에 의해 유도되는 방법.
- 제 31 항에 있어서,적어도 하나의 제 1 소스 지역과 제 1 드레인 지역은 적어도 하나의 제 1 채널 지역과 적어도 하나의 제 1 소스 지역과 제 1 드레인 지역에 인접한 영역에 배치된 반도체 재료의 격자 상수보다 더 큰 격자 상수를 갖는 제 2 재료를 포함하는 방법.
- 제 31 항에 있어서,적어도 하나의 제 2 소스 지역과 제 2 드레인 지역은 적어도 하나의 제 2 채널 지역과 적어도 하나의 제 2 소스 지역과 제 2 드레인 지역에 인접한 영역에 배치된 반도체 재료의 격자 상수보다 더 작은 격자 상수를 갖는 제 2 재료를 포함하는 방법.
- 제 27 항에 있어서,제 1 채널 지역에서의 적어도 약간의 변형은 제 1 게이트에 의해 유도되는 방법.
- 제 27 항에 있어서,제 1 트렌치 구조가 변형을 유도하도록 조절되는 제 1 형태의 약간의 변형은 대략 0인 방법.
- 제 35 항에 있어서,제 1 채널 지역은 제 1 에피택실 변형층의 일부에 형성되는 방법.
- 제 35 항에 있어서,제 1 변형-유도 요소를 더 포함하는 방법.
- 제 37 항에 있어서,제 1 변형-유도 요소는 제 1 트랜지스터의 표면 위에 배치된 제 1 캡층을 포함하는 방법.
- 제 37 항에 있어서,제 1 변형-유도 요소는 제 1 게이트를 포함하는 방법.
- 제 37 항에 있어서,제 1 변형-유도 요소는 적어도 하나의 제 1 소스 지역 및 제 1 드레인 지역을 포함하는 방법.
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- 2004-03-05 WO PCT/US2004/006844 patent/WO2004081982A2/en active Application Filing
- 2004-03-05 CN CNB2004800101670A patent/CN100437970C/zh not_active Expired - Lifetime
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- 2005-05-17 US US11/130,584 patent/US7504704B2/en active Active
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100831682B1 (ko) * | 2006-12-29 | 2008-05-22 | 주식회사 하이닉스반도체 | 반도체 소자의 소자분리막 형성방법 |
KR100969588B1 (ko) * | 2007-03-20 | 2010-07-12 | 가부시키가이샤 사무코 | Soi 웨이퍼 및 그 제조 방법 |
KR20210027056A (ko) * | 2019-08-27 | 2021-03-10 | 타이완 세미콘덕터 매뉴팩쳐링 컴퍼니 리미티드 | 저유전상수를 가진 측벽 스페이서를 구비한 rf 스위치 디바이스 |
Also Published As
Publication number | Publication date |
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WO2004081982A3 (en) | 2004-12-16 |
WO2004081982A2 (en) | 2004-09-23 |
EP1602125A2 (en) | 2005-12-07 |
EP1602125B1 (en) | 2019-06-26 |
JP2011009760A (ja) | 2011-01-13 |
US7504704B2 (en) | 2009-03-17 |
JP2006521026A (ja) | 2006-09-14 |
JP4585510B2 (ja) | 2010-11-24 |
US20050205859A1 (en) | 2005-09-22 |
US20040173812A1 (en) | 2004-09-09 |
KR100728173B1 (ko) | 2007-06-13 |
CN100437970C (zh) | 2008-11-26 |
US6960781B2 (en) | 2005-11-01 |
JP5508982B2 (ja) | 2014-06-04 |
CN1774799A (zh) | 2006-05-17 |
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